EuZ =  63

From the Greek "Europe", meaning "broad-faced"
(AM) Atomic Mass 151.965  amu    Oxidation States +2, +3
   (BP) Boiling Point 1597  °C    (MP) Melting Point 822  °C
   (ρ) Density 5.24  g/cm3    Crystal Structure Body Centered Cubic
   ( χ ) Electronegativity n/a    (AR) Atomic Radius 1.85  Å
   Physical State Solid (C) Heat Capacity 0.182  J/g °C
Electronic-Config [Xe]  4f7  6s2     (I1) First Ionization E 547.07  kJ/mol
   (ΔHvap) Heat of Vaporization 176  kJ/mol     (ΔHfus) Heat of Fusion 9.21  kJ/mol
   Year of Discovery 1901    Location of Discovery France
(E°) Standard Potential Eu2+⇔ Eu (-2.812 V),   Eu3+⇔ Eu (-1.991 V)
Stable isotopes  151Eu,  153Eu
Discovered/Synthesized by Eugène-Antole Demarçay
Natural Source The mineral/ore bastnasite, monazite, loparite
Common Uses Phosphors in color tvs and trichromatic fluorescent lamps, luminous paint, lasers
Other Info Used as an anti-counterfeit measure in Europe as it fluoresces
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